Field Monitoring of Surrounding Rock Stress in Tunnel Construction

被引：0
|
作者：
Dong, Yingna [1 ]
Huang, Qiang [1 ]
机构：
[1] Luoyang Inst Sci & Technol, Dept Civil Engn, Luoyang 471003, Peoples R China
来源：
PROGRESS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 170-173卷
关键词：
tunnel construction; bench method; surrounding rock stress; field monitor; numerical simulation;
D O I：
10.4028/www.scientific.net/AMM.170-173.1735
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The surrounding rock stress field monitor has been done in excavation by vibrating wire transducer. The field monitoring data are compared with numerical simulation results. The result shows: Vibrating wire transducer can record the stress variation of surrounding rock and support. Surrounding rock stress changes violently at every excavation step, such as lower bench excavation, the stress variation is mainly controlled by the spatial effect. When the distance from excavation face to the monitoring section is more than a tunnel diameter, the rock stress variation is mainly affected by time and it is relatively smooth and continuous.
引用
收藏
页码：1735 / 1739
页数：5
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